174 



TEXT-BOOK OF ENTOMOLOGY 



see by E, Fig. 195 ; and along with these the darts are also prolonged upward, 

 still held to the guides by the grooved arrangement before explained ; but both 

 guides and darts, in the upper part of their length, curve from each other some- 

 what like the arms of a Y, to the points c, c' (A, Fig. 194), where the darts 



Kic. 194. Stinj; of bee x Ho times: A, sting- separated from Its muscles ; JIH, poison sac ; jiy. 



poison jfkind ; 'illi (/, ."'tli abdominal iraii^rlinn : n , H , nerves; c, external thin membrane joining 

 stiiifr to last iihdoininul segment ; /'. /, /. :in<l /', X' 1 , /'. levers to move the darts; *//. sheath; /', 

 vulva : ji, stin^ r -pul]ius or leeler, with tactile hairs and nerves. Ji and ( '. seetions through the darts 

 and sheatli, x :ioo times: x/i. shealli: <l, dai-ts; li, barbs; jt, poison-channel. 1>. end of a dart, 

 x 'Jin i : <>, <;. opi-iiiiif,'s for poison to escape into the wound. After Cheshire. 



